Unusual Options Activity
CRSP Unusual Options Activity - CRISPR Therapeutics AG - Common Shares
- Last active day
- September 21, 2026
- Active days (30d)
- 6
- Biggest recent print
- Put $55.0000 · $261K
AI summary
On September 21, 2026, notable options activity was observed in CRISPR Therapeutics AG (CRSP). A single print was recorded, involving a put option with a strike price of $55. The option is set to expire on October 16, 2026, and the total premium for this transaction amounted to $261,300. This put option exhibited a volume-to-open interest ratio of 1.9, indicating a relatively active position compared to existing open interest. Over the past 30 days, CRSP has seen options activity on six different days, reflecting a level of interest in the stock's options market. The absence of call premiums in this print suggests a focus on bearish sentiment among traders for this particular strike and expiration. Overall, this activity highlights a significant transaction in the put options market for CRSP.
AI-generated summary
CRSP was last active on September 21, 2026.
Prints on September 21, 2026
| Ticker | Side | Strike | Expiry | Vol/OI | Premium | IV | New |
|---|---|---|---|---|---|---|---|
| CRSP | Put | $55.0000 | 10/16/26 (27d) | 1.9× | $261K | 54% |
History
- 2026-09-211 prints$0K calls$261K puts
- 2026-09-182 prints$47K calls$261K puts
- 2026-09-171 prints$47K calls$0K puts
- 2026-08-271 prints$0K calls$305K puts
- 2026-08-262 prints$0K calls$522K puts
- 2026-08-251 prints$0K calls$217K puts
- 2026-08-211 prints$202K calls$0K puts
- 2026-08-202 prints$555K calls$0K puts
- 2026-08-191 prints$352K calls$0K puts
- 2026-08-112 prints$0K calls$180K puts
- 2026-08-102 prints$0K calls$180K puts
- 2026-08-061 prints$638K calls$0K puts
- 2026-08-051 prints$638K calls$0K puts
- 2026-07-152 prints$2.1M calls$0K puts
- 2026-07-143 prints$2.1M calls$417K puts
- 2026-07-131 prints$0K calls$417K puts
- 2026-07-072 prints$868K calls$0K puts
- 2026-07-063 prints$912K calls$0K puts
- 2026-07-021 prints$43K calls$0K puts
- 2026-06-052 prints$200K calls$0K puts
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